10303991376 has 120 divisors (see below), whose sum is σ = 30815616960. Its totient is φ = 2905959936.

The previous prime is 10303991359. The next prime is 10303991377. The reversal of 10303991376 is 67319930301.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303991377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17553355 + ... + 17553941.

It is an arithmetic number, because the mean of its divisors is an integer number (256796808).

Almost surely, 2^10303991376 is an apocalyptic number.

10303991376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10303991376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15407808480).

10303991376 is an abundant number, since it is smaller than the sum of its proper divisors (20511625584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10303991376 is an frugal number, since it uses more digits than its factorization.

10303991376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 42.

The spelling of 10303991376 in words is "ten billion, three hundred three million, nine hundred ninety-one thousand, three hundred seventy-six".